From: Jason Wang
Date: Thu, 5 Sep 2013 17:54:00 +0800
> sock_tx_timestamp() will clear all zerocopy flags of skb which may lead the
> frags never to be orphaned. This will break guest to guest traffic when
> zerocopy
> is enabled. Fix this by orphaning the frags before trying to set tx time
>
sock_tx_timestamp() will clear all zerocopy flags of skb which may lead the
frags never to be orphaned. This will break guest to guest traffic when zerocopy
is enabled. Fix this by orphaning the frags before trying to set tx time stamp.
The issue were introduced by commit eda297729171fe16bf34fe5b0
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